BUY PRINT Washington, D.C., circa 1920. "Americanization class." The main location for these citizenship classes was the old Central High School at Seventh and O streets. Thirty nations were represented, "Italy having the largest number," according to a 1922 article in the Washington Post. "The Hebrews come second, with Greece third." National Photo Company Collection glass negative. | Click image for Comments. | Home | Browse All Photos